1 files changed, 44 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/invocation/TargetInvoker.java b/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/invocation/TargetInvoker.java
new file mode 100644
index 0000000000..e0a85d0b6e
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+++ b/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/invocation/TargetInvoker.java
@@ -0,0 +1,44 @@
+/**
+ *
+ *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.apache.tuscany.core.invocation;
+
+import java.lang.reflect.InvocationTargetException;
+
+/**
+ * Implementations are responsible for resolving a target and performing the actual invocation on it, for example, a
+ * service component implementation instance or an external service client.
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface TargetInvoker extends Interceptor, Cloneable{
+
+    /**
+     * Responsible for invoking an operation on a target with the given payload
+     * 
+     * @param payload the parameters of the target operation or null
+     * @throws InvocationTargetException if the target operation itself throws an exception. The root cause will be set
+     *         to that exception
+     */
+    public Object invokeTarget(Object payload) throws InvocationTargetException;
+
+    /**
+     * Determines whether the proxy can be cached on the client/source side
+     */
+    public boolean isCacheable();
+    
+    public Object clone();
+}